moutain water rat山水鼠
European water rat水䶄
water rat skin水鼠皮
false water rat伪沼鼠
The Old Water Rat水鼠爷爷
south american water rat泳鼠
african water rat居鼠属
AUSTRALIAN WATER RAT东方水鼠
the water rat水鼠
N（名词） any of several small amphibious rodents, esp the water vole or the muskrat 水老鼠